Emily Dickinson said this quote

“ One need not be a chamber to be haunted,One need not be a house;The brain has corridors surpassingMaterial place.Far safer, of a midnight meetingExternal ghost,Than an interior confrontingThat whiter host.Far safer through an Abbey gallop,The stones achase,Than, moonless, one's own self encounterIn lonesome place.Ourself, behind ourself concealed,Should startle most; Assassin, hid in our apartment,Be horror's least.The prudent carries a revolver,He bolts the door,O'erlooking a superior spectreMore near. ”